http://www.imdb.com/Title?0286106

http://www.signsmovie.co.uk/

http://movies.about.com/library/weekly/aa072902a.htm

http://www.thebestpageintheuniverse.net/c.cgi?u=signs

http://www.entertainmentavenue.com/movie_theater/s/signs/signs.htm

http://www.themoviespoiler.com/Spoilers/signs.html

http://www.thefind.com/movies/info-movie-sign

http://www.netflix.com/Movie/Signs/60023613

http://movies.piczo.com/movie/signs

http://www.associatedcontent.com/article/1566709/movie_review_signs.html

http://www.moviesforguys.com/thriller/reviews/signs.shtml